Cell phone and Cellular telephone

Cell phone verb - Call up by using a cellular phone.

Cellular telephone and cell phone are semantically related in cellphone topic. In some cases you can use "Cellular telephone" instead a noun phrase "Cell phone".

Cellular telephone noun - A hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver.

Cell phone and cellular telephone are semantically related in cellphone topic. You can use "Cell phone" instead a noun phrase "Cellular telephone", if it concerns topics such as mobile telephone.